{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb77ea2959bdf35b08039baadb47fd42f07f5d908948e78be6739685c2b989a4f",
    "signature": "0xb63099a4e0ae2e521cb573ba349a68b2c8008a5a052309d01f7918a017fa303d3bb11a883d17d47f4c99144de26e7141f15575a5db91dff9d600bc8af0a080b71c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}